This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The temple that withstood the Nazis.

This historic black and white monastery is one of Bulgaria's architectural jewels.

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Crawling into this primordial cave may feel disconcertingly familiar.

This conical hill was built as a testing ground for an engineer known as the Glider King.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Art and a pun, all in one.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

A monument to the man who almost killed Hitler.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

Puppet theater and museum holding a collection of more than 300.

Floating swimming pool within a moored vessel.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

A once-luxurious, now abandoned hotel in the Italian Alps.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.